Start Simple definition relative dating

Simple definition relative dating

There are many methods employed by these scientists, interested in the old, to get to know the age of items.

Relative dating places events or rocks in their chronologic sequence or order of occurrence.

Absolute dating places events or rocks at a specific time.

For example, carbon dating is used to determine the age of organic materials.

Basically, fossils and rock found in lower strata are older than those found in higher strata because lower objects must have been deposited first, while higher objects were deposited last.

As an example of how they are used, radiometric dates from geologically simple, fossiliferous Cretaceous rocks in western North America are compared to the geological time scale.

To get to that point, there is also a historical discussion and description of non-radiometric dating methods.

his document discusses the way radiometric dating and stratigraphic principles are used to establish the conventional geological time scale.